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MetaQuotes Software Corp.
Moderator
180303
MetaQuotes Software Corp. 2008.11.17 07:24 

EA Based on Trend Follower:

The EA is based on the "Trend Follower" strategy.

Author: Юрий

MQL4 Comments
16319
MQL4 Comments 2008.11.17 17:10  

Can you attach HMA.mq4 indicator here?

Piotr
1249
Piotr 2008.11.17 21:58  

Hi Urban,


Is this the HMA indicator ?



//+------------------------------------------------------------------+
//| HMA.mq4 |
//| Copyright Š 2004, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright Š 2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
//---- indicator settings
#property indicator_chart_window
#property indicator_buffers 1
#property indicator_color1 Yellow

//---- indicator parameters
extern int HMA_Period=7;
extern int MAshift=0;
//---- indicator buffers
double ind_buffer0[];
double ind_buffer1[];

int draw_begin0;

//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicator buffers mapping
IndicatorBuffers(2);
if(!SetIndexBuffer(0,ind_buffer0) && !SetIndexBuffer(1,ind_buffer1))
Print("cannot set indicator buffers!");
// ArraySetAsSeries(ind_buffer1,true);
//---- drawing settings
SetIndexStyle(0,DRAW_LINE);
draw_begin0=HMA_Period+MathFloor(MathSqrt(HMA_Period));
SetIndexDrawBegin(0,draw_begin0);
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1);
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("HMA("+HMA_Period+")");
SetIndexLabel(0,"Hull Moving Average");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Moving Averages Convergence/Divergence |
//+------------------------------------------------------------------+
int start()
{
int limit,i;
int counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<1)
{
for(i=1;i<=draw_begin0;i++) ind_buffer0[Bars-i]=0;
for(i=1;i<=HMA_Period;i++) ind_buffer1[Bars-i]=0;
}
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
//---- MA difference counted in the 1-st buffer
for(i=0; i<limit; i++)
ind_buffer1[i]=iMA(NULL,0,MathFloor(HMA_Period/2),MAshift,MODE_LWMA,PRICE_OPEN,i)*2-
iMA(NULL,0,HMA_Period,MAshift,MODE_LWMA,PRICE_OPEN,i);
//---- HMA counted in the 0-th buffer
for(i=0; i<limit; i++)
ind_buffer0[i]=iMAOnArray(ind_buffer1,0,MathFloor(MathSqrt(HMA_Period)),0,MODE_LWMA,i);
//---- done
return(0);
}




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